Home/Filings/4/0000899243-21-044352
4//SEC Filing

Tregoning Kathleen 4

Accession 0000899243-21-044352

CIK 0001701108other

Filed

Nov 11, 7:00 PM ET

Accepted

Nov 12, 4:14 PM ET

Size

5.6 KB

Accession

0000899243-21-044352

Insider Transaction Report

Form 4
Period: 2021-11-11
Transactions
  • Award

    Stock Option (right to buy)

    2021-11-11+15,00015,000 total
    Exercise: $16.91Exp: 2031-11-11Common Stock (15,000 underlying)
Footnotes (1)
  • [F1]The shares underlying this option will vest in thirty-six equal monthly installments at the end of each successive month following November 11, 2021, subject to the Reporting Person's continued service as a director through the applicable vesting dates.

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001830764

Filing Metadata

Form type
4
Filed
Nov 11, 7:00 PM ET
Accepted
Nov 12, 4:14 PM ET
Size
5.6 KB